NEW EQUIPMENT & RESOURCES

Control valves

High-temperature characterized control valves meet the challenges of space-restrictive applications, such as unit ventilators and fan-coil units. The valves are available with spring and non-spring actuators. Environmentally friendly and suitable for use as a potable-water control valve, the valves can control a steam supply of 15 psig or less. — Belimo AmericasCircle 75

Water-source units

City Multi water-source variable-refrigerant-flow-zoning units are available in either heat-recovery or heat-pump models. WR2-Series heat-recovery units and WY-Series heat pumps are designed for buildings with existing closed-water-loop systems. Typical closed-loop installations include dry coolers, closed cooling towers, or open cooling towers with heat exchangers. Both the heat-recovery and heat-pump units can be installed inside, rather than outside, a building. The heat-recovery units simultaneously can cool and heat connected zones, while the heat pumps are designed to work in either cooling or heating mode. — Mitsubishi ElectricCircle 76

Check valves

The curved-bill TF-1 check valve is designed to enhance sealing, especially in low-lying areas with little backpressure. The valve is constructed of rubber, making it almost immune to rust, corrosion, and weathering. The valve's curved bill seals without backpressure, allowing for a tighter seal that eliminates gapping issues. The flexible bill also seals around entrapped debris. The headloss of the valve remains low. Applications include site drainage, stormwater discharge, and sewer systems. — Tideflex TechnologiesCircle 77

Semiconductor-valves brochure

A brochure from Microstaq outlines the company's semiconductor micro-electro-mechanical-systems valves. A product overview is given, as well as a table that contains three valve models broken down by valve type, application, industry, orifice range, and description. Applications, such as industrial, commercial, medical, and process-control, are described. — MicrostaqCircle 78

Split-case pumps

Bell & Gossett has introduced seven new models in its VSX line of double-suction, vertical split-case pumps, increasing the line to a total of 43 models and sizes. The new pump models increase capacities to 28,000 gpm, using 1,250 to 3,000 hp motors at 1,780 rpm. Balanced cartridge mechanical seals are included as standard on all models. — Bell & GossettCircle 79

Valves

The compact VAX valve combines a process valve and actuator in an integrated unit with only one moving part. The valve has a coaxial design that offers high flow rates with minimal pressure loss and extends the valve's cycle life. The electric version of the valve functions like a direct-acting solenoid valve. Its pressure-balanced design with spring return allows the valve to function regardless of system pressure or pressure differential on either side of the valve. The valves are available in two- or three-way configurations with pressure ratings of up to 600 psi. — Assured AutomationCircle 81

Send new-equipment, literature, and digital-media announcements for future Applications & Resources sections on BAS/controls, boilers, motors and drives, ventilation, pumping and piping, and humidification to Associate Editor Megan White at megan.white@penton.com. Indicate in the subject line of the e-mail message the intended section.